The Craftsman 18” / 42cc Chainsaw crankcase oil tank gas tank crank case is a high-quality replacement part made of durable plastic. Designed for 2-stroke engines, this gas tank is compatible with Craftsman chainsaws and is perfect for those looking to replace a damaged or worn-out part. With a 12V power source and manufactured in the United States, this crankcase ensures reliability and long-lasting performance for your outdoor power equipment needs.